/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraRenderer.h
virtual void ProcessMaterialParameterBindings ( const [FNiagaraRendererMaterialParameters](API\Plugins\Niagara\FNiagaraRendererMaterialParamete-) & MaterialParameters, const [FNiagaraEmitterInstance](API\Plugins\Niagara\FNiagaraEmitterInstance) * InEmitter, TConstArrayView< [UMaterialInterface](API\Runtime\Engine\Materials\UMaterialInterface) * > InMaterials ) const